Beginner questions about CPA + IG

I would like to start with CPA (OGAds) + IG, and i spent a lot of time reading on this forum…i have beginner questions that, i think, will help all the people who are trying to start with this.
I understand the parts with accs, proxies, and automatisation of ig accounts.
But I am a little confused about links and redirection part.

1.
Is this the way should it work:
Put URL(bit.ly for example) in IG bio -> that redirect to my landing page (bought domain and hosting) -> then visitor fill…

Beginner questions about CPA + IG